/****************************************************************

this file is part of Music Practice Audio Player
Copyright (C)2012 Serhii Ratsyborynskyi (ratz@live.ru)

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

******************************************************************/

#ifndef MPAMIXER_HPP
#define MPAMIXER_HPP

#include <Interfaces/IAudio.hpp>
#include <Core/QWavFile.hpp>

#include <QDir>
#include <QVector>
#include <QString>
#include <QStringList>
#include <Core/QWavFile.hpp>

namespace AudioCore
{

class MPAMixer : public virtual IAudio
{
  Q_OBJECT

public:
    explicit MPAMixer(QString path, QObject * parent = 0);
    virtual bool open(OpenMode mode);
    virtual QAudioFormat getAudioFormat();
    virtual bool isReady();
    virtual QString getState();

protected:

    virtual qint64 readData(char *data, qint64 maxlen);
    virtual qint64 writeData(const char *data, qint64 len);

private:
    QVector< IAudio * > pAudioSources;
    bool mReady;
    QAudioFormat mAudioFormat;
    QString mErrorLog;
    char * pAudioDataBuffer;

    static const int mBufferSize;
    qint16 mClip_level;

};

}

#endif // MPAMIXER_HPP
